Nishioka, Kenya http://orcid.org/0000-0001-8607-9757
Suzuki, Michimasa
Nakajima, Madoka
Hara, Takeshi
Iseki, Masako
Hattori, Nobutaka
Article History
Received: 2 October 2018
Revised: 5 January 2019
Accepted: 8 January 2019
First Online: 14 January 2019
Compliance with ethical standards
:
: The authors report no conflicts of interest relevant to the manuscript.
: This study was approved by the ethical committee of the Juntendo University School of Medicine in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki).